Patent · US Expired

Use of thermoplastic electroluminescent materials which are stable for an extended period

US5736596A · kind A · utility

9Cited by

7References

6Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Heitz · Ludwigshafen am Rhein, DE
Sylke Haremza · Neckargemünd, DE
Andreas Greiner · Amöneburg, DE

Key dates

Filing date	Sep 16, 1996
Grant date	Apr 7, 1998
Priority date	—
Expiry date	Sep 16, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S428/917
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A process for the production of a molding, fiber or film which can be caused to fluoresce by an electrical voltage which comprises using linear mixtures comprising a fluorescent dye from the perylene series and a thermoplastic polymer having a degree of crystallinity of less than 10%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.